Function API_ROUTINE isc_embed_dsql_release

src/yvalve/user_dsql.cpp:633–687

ISC_STATUS API_ROUTINE isc_embed_dsql_release(ISC_STATUS* user_status, const SCHAR* stmt_name)
{
/**************************************
 *
 *	i s c _ e m b e d _ d s q l _ r e l e a s e
 *
 **************************************
 *
 * Functional description
 *	Release request for a dsql statement
 *
 **************************************/
	ISC_STATUS_ARRAY	local_status;

	INIT_DSQL(user_status, local_status);
	try
	{
		// If a request already exists under that name, purge it out

		dsql_stmt* statement = lookup_stmt(stmt_name, statement_names, NAME_statement);

		ISC_STATUS s = isc_dsql_free_statement(user_status, &statement->stmt_handle, DSQL_drop);
		if (s) {
			return s;
		}

		// remove the statement from the symbol tables

		Firebird::WriteLockGuard guard(global_sync, FB_FUNCTION);

		if (statement->stmt_stmt)
			remove_name(statement->stmt_stmt, &statement_names);
		if (statement->stmt_cursor)
			remove_name(statement->stmt_cursor, &cursor_names);

		// and remove this statement from the local list

		dsql_stmt* p;
		for (dsql_stmt** stmt_ptr = &statements; (p = *stmt_ptr); stmt_ptr = &p->stmt_next)
		{
			if (p == statement)
			{
				*stmt_ptr = statement->stmt_next;
				gds__free(statement);
				break;
			}
		}

		return s;
	}
	catch (const Firebird::Exception& ex)
	{
		return error(ex);
	}
}


ISC_STATUS API_ROUTINE isc_dsql_fetch_a(ISC_STATUS* user_status,